Method of controlling the operation of microwave oven having a r

Details Method of controlling the operation of microwave oven having a r Method of controlling the operation of microwave oven having a r

1997-02-13

1998-04-07

Leung, Philip H.

Electric heating

Microwave heating

With control system

219753, 219518, 99325, H05B 668, H05B 678

Patent

active

057367167

ABSTRACT:
A microwave oven has a food tray which can be both rotated and elevated. A weight sensing unit senses the weight of the tray and any food thereon, for controlling the operation of a tray elevation/rotation mechanism. The tray is not elevated if the weight of the food is detected to be greater than a predetermined elevation weight, in order to prevent excessive pressure from being applied to the elevation/rotation mechanism and the weight sensing unit. If the weight of the food is detected to be greater than a maximum possible cooking weight, no cooking is performed, and an error signal is displayed.

REFERENCES:
patent: 4895067 (1990-01-01), Ohji et al.
patent: 5345068 (1994-09-01), Hatano et al.

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